Home
Class 12
MATHS
Let the straight lines x+y-2=0, 2x-y+1=0...

Let the straight lines `x+y-2=0, 2x-y+1=0 and px+qy-r=0` be concurrent and `l_1 and l_2` be the two members of the family of lines `2px+2qy+4r=0` which are nearest and farthest from origin : Now answer the following questions : The eqation of line `l_1` is : (A) `y=5x` (B) `y=3x` (C) `5y=x` (D) none of these

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

Let the straight lines x+y-2=0, 2x-y+1=0 and px+qy-r=0 be concurrent and l_1 and l_2 be the two members of the family of lines 2px+2qy+4r=0 which are nearest and farthest from origin : Now answer the question : The eqation of line l_2 is : (A) 3x+15y-52=0 (B) 3x+15y+52=0 (C) 3x-15y+52=0 (D) 3x-15y-52=0

Let the straight lines x+y-2=0, 2x-y+1=0 and px+qy-r=0 be concurrent and l_1 and l_2 be the two members of the family of lines 2px+2qy+4r=0 which are nearest and farthest from origin : Now answer the question : The angle between lines L_1 and l_2 is : (A) 45^0 (B) 60^0 (C) 90^0 (D) none of these

The lines 2x + y -1=0 , ax+ 3y-3=0 and 3x + 2y -2=0 are concurrent for -

If the pair of straight lines xy - x - y +1=0 & the line ax+2y-3=0 are concurrent then a =

Show that the lines 2x + 5y = 1, x - 3y = 6 and x + 5y + 2 = 0 are concurrent.

If the lines 2x+y-3=0,5x+ky-3=0 and 3x-y-2=0 are concurrent, then the value of k is

If the straight lines x+2y=9,3x-5y=5 and ax+by=1 are concurrent , then the straight line 5x+2y=1 passes through the point

For what value of 'a' the three straight lines 3x+y+2=0, x-y+2=0, x+2ay+5=0 are concurrent.

Show that the lines 2x + 3y - 8 = 0 , x - 5y + 9 = 0 and 3x + 4y - 11 = 0 are concurrent.

If the straight lines x+y-2=0,2x-y+1=0 and a x+b y-c=0 are concurrent, then the family of lines 2a x+3b y+c=0(a , b , c are nonzero) is concurrent at (a) (2,3) (b) (1/2,1/3) (c) (-1/6,-5/9) (d) (2/3,-7/5)